RECENT PUBLICATIONS 465 



— Reid, Harry Fielding, and Muret, E. Les variations periodiques des 



glaciers. Dixieme rapport, 1904. [Archives des Sciences physiques et 



naturelles, Vol. XX, July-August, 1905; 34 pp.] 

 — RiES, Heinrich. Economic Geology of the United States. [McMillan & 



Co., 1905; pp. 435, 25 plates, 97 figures; cloth.] 

 The Production of Flint and Feldspar in 1904. [Extract from Mineral 



Resources of the United States, Calendar Year 1904; Washington, 1905; 



5 PP-] 



— Russell, Israel C. A Geological Reconnaissance Along the North Shore 

 of Lakes Huron and Michigan. [Report of State Board of Geological 

 Survey of Michigan for the Year 1904; Lansing, Mich., 1905.] 



— Saggo, Fedemco. Les formations ophitiferes du Cretaci. [Extrait du Bul- 

 letin de la Societe Beige Geologie, de Paleontologie et d'Hydrologie; 

 Bruxelles, May, 1905; 18 pp.] 



— Schroeder, H., und Stoller, J. Marine- und Siisswasserablagerungen im 

 Diluvium von Uetersen-Schulau. [Sonderabdruck aus dem Jahrbuch der 

 Koniglich Preussischen Geologischen Landesanstalt und Bergakademie fiir. 

 1905; Vol. XXVI, No. I, pp. 94-102.] 



— ScHWARZ, E. H. L. Note on a Quartzite Boulder from the Molteno Sand- 

 stone. [Records of Albany Museum, Vol. I, No. 5, pp. 341-45; 1905.] 



Gold at Knysna and Prince Albert, Cape Colony. [Geological Magazine, 



Decade V, Vol. II, No. 494, pp. 369-79; August, 1905.] 



■ — Sellards, E. H. Geological History of the Cockroaches. [Popular Science 

 Monthly, Vol. LXVIII, pp. 244-51, 7 figures; March, 1906.] 



— SiEBENTHAL, C. E. Structural Features of the Joplin District. [Economic 

 Geology, Vol. I, pp. 119-28; with Discussion by H. Foster Bain, pp. 172, 

 173; November-December, 1905.] 



— Smith, Burnett. Senility among Gastropods. [Proceedings of Academy 

 of Natural Science of Philadelphia; April, 1905, pp. 345-60, 2 plates.] 



— Smyth, C. H., Jr. Replacement of Quartz by Pyrite and Corrosion of Quartz 

 Pebbles. [American Journal of Science, Vol. XIX, pp. 277-85; April, 1905.] 



— Steinman, G. I: Geologische Beobachtungen in den Alpen. 11: Die Schardt- 

 sche Ueberfaltungstheorie und die geologische Bedeutung der Tiefseeabsatze 

 und der ophiolithisehen Massengesteine. [Sonderabdruck aus den Berich- 

 ten der Naturforschenden Gesellschaft zu Freiburg i. B., Vol. XVI, pp. 18- 

 67; September, 1905.] 



— Stoller, J., und Schroeder, H. Marine- und Siisswasserablagerungen im 

 Diluvium von Uetersen-Schulan. [Sonderabdruck aus dem Jarhbuch der 

 Koniglich Preussischen Geologischen Landesanstalt und Bergakademie fiir 

 1905, Vol, XXVI, No. T, pp. 94-T02.] 



— Talbot, Mignon. Revision of the New York Helderbergian Crinoids. 

 [Extract from American Journal of Science, Vol. XX, pp. 17-34, 4 plates; 

 July, 1905.] 



— Tassin, Wirt. The Mount Vernon Meteorite. [Proceedings of the United 

 States National Museum, Vol. XXVIII, pp. 213-17 (with Plates III-IV); 

 Washington, 1905.] 



^Taylor, F. B. Relation of Lake Whittlesey to the Arkona Beaches. [Seventh 

 Annual Report, Michigan Academy of Science, pp. 30-36, 1905.] 



— Thelen, p., and Knopf, A. Sketch of the Geology of Mineral King, Cali- 

 fornia. [Bulletin of Department of Geology, University of California, 

 Vol. IV, No. 12, pp. 227-62, 3 plates; October, 1905.] 



— Wanner, Atrens. A New Species of Olenellus from the Low^er Cambrian 

 of York County, Pennsylvania. [Proceedings of Washington Academy of 

 Science, Vol. Ill, pp. 267-72; July 13, 1901.] 



